Gas detection alarm device for police quadruped robot
By designing a police quadruped robot gas detection alarm device, the safety risks of police officers conducting close-range detection of toxic and harmful gases at the scene were solved, and the safety and efficiency of on-site gas detection were improved.
Patent Information
- Application Number
- CN202422188252.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-09-06
AI Technical Summary
When police officers encounter toxic or harmful gases at the scene, using handheld gas detection devices requires them to come into close contact with the pollution source, which increases the safety risks.
Design a police quadruped robot gas detection and alarm device, equipped with a gas detection mechanism and a walking controller. The robot can enter the scene to perform gas detection, extract gas through a vacuum pump and analyze it through a gas sensor, and transmit the data to the terminal alarm device through a signal acquisition and output device to issue an alarm.
Robots can replace police officers in entering dangerous scenes to detect gases, promptly identify hazardous gases, reduce safety risks for police officers, provide technical support, and prepare countermeasures for subsequent operations.
Smart Images

Figure CN223494640U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gas detection technology, specifically to a gas detection alarm device for a police quadruped robot. Background Technology
[0002] In the complex and ever-changing field of public security operations, police officers shoulder the sacred mission of safeguarding social order and public safety.
[0003] Following an explosion, the scene often contains not only residual hazardous factors that could trigger a secondary explosion, but also the release of toxic and harmful gases such as chlorine and hydrogen sulfide. These gases are colorless and odorless, yet can silently cause serious harm to the human body. Similarly, leaks of liquefied petroleum gas (LPG) and natural gas, if not handled properly, can easily lead to fires or explosions, and the leaked gases themselves may also pose a toxic threat to human health. While covert investigation and evidence collection are crucial in counter-terrorism and emergency response operations, concealed environments often harbor unknown risks, including the presence of hazardous gases, posing unpredictable dangers to police officers on duty. Furthermore, post-disaster relief work is of paramount importance, but disaster areas often contain various harmful gases, such as toxic fumes from chemical leaks and the stench of decaying matter, seriously threatening the lives and health of rescue personnel.
[0004] Currently, police officers often overlook such situations during their responses to calls, and few are equipped with gas detection alarm devices. Even among teams that are equipped with such devices, the handheld gas detection devices they use mostly rely on traditional detection methods. These devices often require personnel to be in close proximity to the pollution source, which undoubtedly increases their safety risks when performing their duties. Utility Model Content
[0005] To address the high safety risks posed by the need for police officers to come into close contact with pollution sources when using handheld gas detection devices at potentially hazardous locations, this invention provides a police quadruped robot gas detection and alarm device.
[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0007] A police quadruped robot gas detection alarm device includes a robot body and a gas detection mechanism. The robot body includes a frame with four leg structures. The leg structures are arranged in pairs on the left and right sides of the frame, with each pair of leg structures spaced apart. The robot body includes a power supply and a walking controller, which are electrically connected. The power supply powers the leg structures. The gas detection mechanism is mounted on the top of the frame and includes a housing. Inside the housing are a signal acquisition and output device and several gas sensors. The gas sensors are electrically connected to the signal acquisition and output device. The power supply powers the signal acquisition and output device and the gas sensors. The signal acquisition and output device is remotely connected to a terminal alarm device. An air pump is installed outside the housing, with its suction pipe extending into the housing. The housing has an air intake port.
[0008] Using the above structural design, the walking controller can control the movement of the leg structure, enabling the robot to replace police officers in entering the scene. The gas detection mechanism uses a vacuum pump to draw gas from the scene into the casing. Gas sensors inside the casing can detect the gas entering the casing, and the signal acquisition and output device can transmit the detection data to the terminal alarm device. If there is a harmful gas with an excessive concentration in the scene, the terminal alarm device will issue an alarm signal.
[0009] As described above, the police quadruped robot gas detection alarm device can replace police officers in entering the scene to detect toxic and harmful gases, promptly detect potentially dangerous gases on site, provide technical support for the next steps of police operations, enable police officers to prepare countermeasures in advance, and reduce the safety risks of police operations.
[0010] In a preferred embodiment of a gas detection alarm device for a police quadruped robot, the leg structure includes a thigh and a lower leg. The thigh is rotatably connected to the body via a first rotating shaft, and the thigh and lower leg are rotatably connected via a second rotating shaft. The first rotating shaft is coaxially connected to the output shaft of a first rotating drive, and the second rotating shaft is coaxially connected to the output shaft of a second rotating drive. Both the first and second rotating drives are electrically connected to a power source and to a walking controller.
[0011] With the above structural design, the thighs and calves of the four leg structures can move independently, thus enabling not only walking but also a variety of other movements, such as stepping, squatting, and crawling.
[0012] In a preferred implementation of a gas detection alarm device for a police quadruped robot, the end of the lower leg away from the thigh is rotatably connected to the walking wheel via a third rotating shaft. The third rotating shaft is coaxially connected to the output shaft of the third rotating drive, the third rotating drive is electrically connected to the power supply, and the third rotating drive is electrically connected to the walking controller.
[0013] With the above structural design, the robot body can also glide on the ground using its wheels, resulting in less noise.
[0014] In a preferred embodiment of a gas detection alarm device for a police quadruped robot, the first rotary drive is located between the thigh and the body; the second rotary drive is located on the side of the lower leg facing the middle of the bottom of the body.
[0015] By adopting the above structural design, the space occupied by the leg structure is saved, and the first and second rotary drive components are placed on the side close to the fuselage, reducing the possibility of collision between the first and second rotary drive components.
[0016] In a preferred implementation of a gas detection alarm device for a police quadruped robot, the third rotary drive is located on the side of the walking wheel facing the middle of the bottom of the robot body.
[0017] By adopting the above structural design, the space occupied by the leg structure is saved, and the third rotary drive component is placed on the side close to the fuselage, reducing the possibility of the third rotary drive component being hit by a collision.
[0018] As a preferred implementation of a police quadruped robot gas detection alarm device, the plurality of gas sensors include at least a liquefied petroleum gas sensor, a natural gas gas sensor, a chlorine gas sensor, a phosphorus hydride gas sensor, a hydrogen sulfide gas sensor, and a sulfur dioxide gas sensor.
[0019] The above-mentioned structural design enables the simultaneous detection of multiple toxic and harmful gases, improving detection efficiency and enhancing the safety of police officers.
[0020] As a preferred implementation of a gas detection alarm device for a police quadruped robot, an air pump is located at the top of the housing. The air pump's suction pipe is equipped with a first one-way valve, which only allows airflow from inside the housing to the air pump. The suction port is equipped with a second one-way valve, which only allows airflow from outside the housing to inside the housing.
[0021] With the above structural design, if no detection is required, the robot body can be placed in a safe environment. After the air pump removes the air, there are no toxic or harmful gases inside the shell, thus avoiding the gas sensor being in a detection state all the time and extending the service life of the gas sensor.
[0022] As a preferred implementation of a gas detection alarm device for a police quadruped robot, there are two air intakes, which are respectively located on opposite sides of the shell.
[0023] The above structural design improves air extraction efficiency.
[0024] As a preferred implementation of a gas detection alarm device for a police quadruped robot, a gas collection hood is installed on the side of the air inlet facing the outside of the shell, and the gas collection hood is horn-shaped.
[0025] The above structural design improves air extraction efficiency.
[0026] As a preferred implementation of a gas detection alarm device for police quadruped robots, the terminal alarm device is a handheld terminal alarm device.
[0027] With the above structural design, the handheld terminal alarm device can be carried by the user, making it convenient for frontline police officers to obtain information about toxic and harmful gases at the scene in a timely manner.
[0028] The beneficial effects of this utility model include:
[0029] The police quadruped robot gas detection and alarm device can replace police officers in entering the scene to detect toxic and harmful gases, promptly detect potentially dangerous gases, provide technical support for the next step of police operations, enable police officers to prepare countermeasures in advance, and reduce the safety risks of police operations. Attached Figure Description
[0030] To more clearly illustrate the technical solution of this utility model, the drawings used in the description will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0031] Figure 1 This is a side view of a gas detection alarm device for a police quadruped robot, as described in a specific embodiment of this utility model.
[0032] Figure 2 This is a top view of a police quadruped robot gas detection alarm device according to a specific embodiment of the present invention.
[0033] List of components and reference numerals:
[0034] 1. Body; 2. Leg structure; 21. Thigh; 22. Lower leg; 23. Walking wheel; 24. First rotary drive; 25. Second rotary drive; 26. Third rotary drive; 3. Power supply; 4. Walking controller; 5. Housing; 6. Air pump; 7. Air collection hood. Detailed Implementation
[0035] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiments. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0036] Reference Figure 1-2 This embodiment proposes a police quadruped robot gas detection alarm device, including a robot body and a gas detection mechanism. The robot body includes a frame 1, on which four leg structures 2 are provided. The leg structures 2 are arranged in pairs on the left and right sides of the frame 1, with each pair of leg structures 2 spaced apart. The robot body includes a power supply 3 and a walking controller 4, which are electrically connected. The power supply 3 supplies power to the leg structures 2. The leg structure 2 includes a thigh 21 and a lower leg 22. The thigh 21 is rotatably connected to the frame 1 via a first rotating shaft, and the thigh 21 and lower leg 22 are rotatably connected via a second rotating shaft. The first rotating shaft is coaxially connected to the output shaft of a first rotating drive 24, which is located between the thigh 21 and the frame 1. The first rotating drive 24 is mounted on the frame 1, and the first rotating shaft is equivalent to the output shaft of the first rotating drive 24, which can drive the thigh 21 to rotate. The second rotating shaft is coaxially connected to the output shaft of the second rotating drive 24. The output shaft is coaxially connected. The second rotary drive 25 is located on the side of the lower leg 22 facing the middle of the bottom of the body 1. The second rotating shaft passes through the lower leg 22 and is connected to the output shaft of the second rotary drive 25. The lower leg can rotate relative to the thigh. The second rotating shaft can rotate with the output shaft of the second rotary drive 25. The lower leg can rotate with the second rotating shaft. The first rotary drive 24 and the second rotary drive 25 are both electrically connected to the power supply 3. The first rotary drive 24 and the second rotary drive 25 are both electrically connected to the walking controller 4. The lower leg 22, away from the thigh 21, is rotatably connected to the walking wheel 23 via a third rotating shaft. The third rotating shaft is coaxially connected to the output shaft of the third rotary drive 26. The third rotary drive 26 is located on the side of the walking wheel 23 facing the middle of the bottom of the body 1. The third rotating shaft passes through the walking wheel 26 and is connected to the output shaft of the third rotary drive 26. The walking wheel leg can rotate relative to the thigh. The third rotating shaft can rotate with the output shaft of the third rotary drive 26. The walking wheel can rotate with the third rotating shaft. The third rotary drive 26 is electrically connected to the power supply 3 and the walking controller 4.
[0037] A gas detection mechanism is installed on the top of the main body 1. The gas detection mechanism includes a housing 5, inside which is a signal acquisition and output unit and several gas sensors. These gas sensors include at least a liquefied petroleum gas sensor, a natural gas sensor, a chlorine gas sensor, a phosphorus hydride gas sensor, a hydrogen sulfide gas sensor, and a sulfur dioxide gas sensor. All gas sensors are electrically connected to the signal acquisition and output unit. A power supply 3 supplies power to the signal acquisition and output unit and the gas sensors. The signal acquisition and output unit is remotely connected to a handheld alarm terminal. A vacuum pump 6 is installed outside the housing 5, located at the top of the housing 5. The outlet pipe of the vacuum pump 6 is located at the top of the vacuum pump 6, and the suction pipe of the vacuum pump 6 extends into the housing 5. A first one-way valve is installed inside the suction pipe of the vacuum pump 6, allowing airflow only from inside the housing 5 to the vacuum pump 6. The housing 5 has an intake port, in which a second one-way valve is installed, allowing airflow only from outside the housing 5 to inside the housing 5. There are two air intakes, located on opposite sides of the housing 5. A horn-shaped air collection hood 7 is installed on the side of the air intake facing the outside of the housing 5.
[0038] The working principle of this embodiment is as follows:
[0039] The walking controller 4 controls the walking of the leg structures 2, enabling the robot to replace police officers in entering the scene. During walking, the thighs 21 and calves 22 of the four leg structures 2 can move independently, allowing not only walking but also various other actions such as stepping, squatting, and crawling. The walking controller 4 can also activate the third rotary drive 26, enabling the robot to walk by gliding. The walking controller 4 can remotely communicate with remote control devices or remote control software on a mobile phone to remotely control the robot's walking switch, walking route, walking mode, and walking posture. The specific methods are existing technology and will not be elaborated here.
[0040] The gas detection unit uses a vacuum pump 6 to draw the gas from the site into the housing 5. The gas sensor inside the housing 5 can detect the gas entering the housing 5. The signal acquisition and output device can acquire the data detected by the gas sensor and then transmit the data detected by the gas sensor to the terminal alarm device. If there is a harmful gas with an excessive concentration in the gas at the site, the terminal alarm device will issue an alarm signal.
[0041] The robot in this embodiment is a small robot, weighing 12 kg, 0.5 m in height, with a battery life of 2.5 hours. It is mainly used for reconnaissance operations, is highly maneuverable, and its small size makes it easy to operate in confined environments.
[0042] In this embodiment, the gas detection mechanism has external dimensions of 220mm×90mm×40mm and weighs about 500g. It is mounted on the top of the robot body, near the front.
[0043] The terminal alarm device in this embodiment can be equipped with a display screen, which can display information about the received toxic and harmful gases, and can also pop up an alarm information pop-up window.
[0044] In this embodiment, the alarm signal of the terminal alarm device can be one or more of the following: sound signal, light signal, and vibration signal.
[0045] In this embodiment, the first rotary drive 24, the second rotary drive 25, and the third rotary drive 26 can be rotary motors.
[0046] In this embodiment, several gas signal sensors are integrated on a single chip, enabling the sensors to detect multiple gases simultaneously.
[0047] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A police quadruped robot gas detection alarm device, comprising a robot body and a gas detection mechanism, characterized in that, The robot body includes a body (1), and four leg structures (2) are provided on the body (1). The two leg structures (2) are arranged in groups on the left and right sides of the body (1), and each group of leg structures (2) is spaced apart. The robot body includes a power supply (3) and a walking controller (4). The power supply (3) and the walking controller (4) are electrically connected. The power supply (3) supplies power to the leg structures (2). The gas detection mechanism is installed on the top of the body (1). The gas detection mechanism includes a housing (5). Inside the housing (5) are a signal acquisition output device and several gas sensors. The several gas sensors are electrically connected to the signal acquisition output device. The power supply (3) supplies power to the signal acquisition output device and several gas sensors. The signal acquisition output device is remotely connected to the terminal alarm device. An air pump (6) is installed outside the housing (5). The air pump (6)'s suction pipe extends into the housing (5). The housing (5) has an air intake port.
2. The gas detection alarm device for a police quadruped robot according to claim 1, characterized in that, The leg structure (2) includes a thigh (21) and a lower leg (22). The thigh (21) is rotatably connected to the body (1) via a first rotating shaft. The thigh (21) and the lower leg (22) are rotatably connected via a second rotating shaft. The first rotating shaft is coaxially connected to the output shaft of the first rotating drive (24), and the second rotating shaft is coaxially connected to the output shaft of the second rotating drive (25). The first rotating drive (24) and the second rotating drive (25) are both electrically connected to the power supply (3), and both the first rotating drive (24) and the second rotating drive (25) are electrically connected to the walking controller (4).
3. The gas detection alarm device for a police quadruped robot according to claim 2, characterized in that, The lower leg (22) is connected to the walking wheel (23) via a third rotating shaft at one end away from the thigh (21). The third rotating shaft is coaxially connected to the output shaft of the third rotating drive (26). The third rotating drive (26) is electrically connected to the power supply (3) and the walking controller (4).
4. A gas detection alarm device for a police quadruped robot according to claim 2, characterized in that, The first rotation drive (24) is located between the thigh (21) and the fuselage (1); the second rotation drive (25) is located on the side of the lower leg (22) facing the middle of the bottom of the fuselage (1).
5. A gas detection alarm device for a police quadruped robot according to claim 3, characterized in that, The third rotary drive (26) is located on the side of the walking wheel (23) facing the middle of the bottom of the fuselage (1).
6. A gas detection alarm device for a police quadruped robot according to claim 1, characterized in that, The gas sensors include at least a liquefied petroleum gas sensor, a natural gas gas sensor, a chlorine gas sensor, a phosphorus hydride gas sensor, a hydrogen sulfide gas sensor, and a sulfur dioxide gas sensor.
7. A gas detection alarm device for a police quadruped robot according to claim 1, characterized in that, The air pump (6) is located at the top of the housing (5). The air pump (6) has a first one-way valve in its air extraction pipe. The first one-way valve only allows airflow from inside the housing (5) to the air pump (6). The air intake port has a second one-way valve. The second one-way valve only allows airflow from outside the housing (5) to inside the housing (5).
8. A gas detection alarm device for a police quadruped robot according to claim 1 or 7, characterized in that, There are two air intakes, which are respectively located on opposite sides of the shell (5).
9. A gas detection alarm device for a police quadruped robot according to claim 1, characterized in that, An air collection hood (7) is installed on the side of the air intake facing the outside of the housing (5). The air collection hood (7) is horn-shaped.
10. A gas detection alarm device for a police quadruped robot according to claim 1, characterized in that, The terminal alarm device is a handheld terminal alarm device.